Thermal sensitivity and dimethyl sulfoxide (DMSO)

Kotaro Takeda, Mieczyslaw Pokorski, Yasumasa Okada

Research output: Contribution to journalArticle

Abstract

Dimethyl sulfoxide (DMSO) is commonly used as a solvent for hydrophobic substances, but the compound’s innate bioactivity is an area of limited understanding. In this investigation we seek to determine the analgesic potential of DMSO. We addressed the issue by assessing the perception of thermal pain stimulus, using a 55 °C hotplate design, in conscious mice. The latency of withdrawal behaviors over a range of incremental accumulative intraperitoneal DMSO doses (0.5-15.5 g/kg) in the same mouse was taken as a measure of thermal endurance. The findings were that the latency, on average, amounted to 15-30 s and it differed inappreciably between the sequential DMSO conditions. Nor was it different from the pre-DMSO control conditions. Thus, DMSO did not influence the cutaneous thermal pain perception. The findings do not lend support to those literature reports that point to the plausible antinociceptive potential of DMSO as one of a plethora of its innate bioactivities. However, the findings concern the mouse’s footpad nociceptors which have specific morphology and stimulus transduction pathways, which cannot exclude DMSO’s antinociceptive influence on other types of pain or in other types of skin. Complex and as yet unresolved neural mechanisms of perception of cutaneous noxious heat stimulus should be further explored with alternative experimental designs.

Original languageEnglish
Pages (from-to)45-50
Number of pages6
JournalAdvances in Experimental Medicine and Biology
Volume921
DOIs
Publication statusPublished - 01-01-2016

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Dimethyl Sulfoxide
Hot Temperature
Pain Perception
Bioactivity
Skin
Nociceptors
Design of experiments
Analgesics
Durability
Research Design
Pain

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Takeda, Kotaro ; Pokorski, Mieczyslaw ; Okada, Yasumasa. / Thermal sensitivity and dimethyl sulfoxide (DMSO). In: Advances in Experimental Medicine and Biology. 2016 ; Vol. 921. pp. 45-50.
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Thermal sensitivity and dimethyl sulfoxide (DMSO). / Takeda, Kotaro; Pokorski, Mieczyslaw; Okada, Yasumasa.

In: Advances in Experimental Medicine and Biology, Vol. 921, 01.01.2016, p. 45-50.

Research output: Contribution to journalArticle

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